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How I AI · Tuesday, June 30, 2026

Sonnet 5 Underperforms Host's Expectations in Benchmark

Despite its new release, Claude Sonnet 5 ended up at the bottom of the host's personal preference list in the 'How I AI' benchmark. The host plans to refine the benchmark for future model releases and hopes it will become an industry standard.

companyAnthropic

The tape

2 quotes
Okay, this was an adventure. This started out as a Sonnet 5 review. It ended up that Sonnet 5 is at the bottom of my personal preference list.
I can't wait to see how it does on some of these new models. And I can't wait for this to be an industry standard benchmark that all the labs rely on.
Heard on How I AI — “Sonnet 5 review: I ran 64 generations to find out if it's worth it, published Tuesday, June 30, 2026. Heardvine summarizes and quotes with attribution and timestamps, and links to the original everywhere.
Transcribed via Gemini audio transcription · $0.02
Sonnet 5 Underperforms Host's Expectations in Benchmark — Heardvine